<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>Document</title>
    <!-- 行内元素宽高无法设置 -->
    <style>
        span{
            width: 200px;
            height: 200px;
            background-color: pink;
        }
    </style>
</head>
<body>
    <span>我是行内元素</span>
    <span>我是行内元素</span>
    <span>我是行内元素叮叮叮</span>
    <!-- <span>
        <div></div>
    </span> -->
</body>
</html>